<template>
  <div id="app">
    <!-- 路由出口 -->
    <keep-alive include="search,home">
      <router-view></router-view>
    </keep-alive>

    <van-tabbar v-model="active" route placeholder v-if="$route.meta.showTab">
      <van-tabbar-item to="/home" icon="home-o">首页</van-tabbar-item>
      <van-tabbar-item to="/qa" icon="chat-o">问答</van-tabbar-item>
      <van-tabbar-item to="/movie" icon="video-o">视频</van-tabbar-item>
      <van-tabbar-item to="/user" icon="user-o">用户</van-tabbar-item>
    </van-tabbar>
  </div>
</template>
<script>
export default {
  data() {
    return {
      active: 0,
    };
  },
};
</script>

<style lang="less">
#app {
  width: 100%;
  height: 100%;
}
</style>
